Möbius function

名词 n.
中文释义

英文释义

名词 n.
  1. A function from the natural numbers to the set {−1, 0, 1} which maps perfect squares to 0, prime numbers to −1, and is multiplicative. uncountable

词源

Named after August Ferdinand Möbius (1790–1868), a German mathematician and theoretical astronomer who introduced it in 1832.
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